opening of bladder

• 膀胱口； 尿道内口

opening of bladder的用法和样例：

例句

1. Conclusion Internal opening and rectum submucosa ligation can effectively cure abscess of rectum submucosa without any complication, sequelae and recurrence.
   结论内口切开切口延长黏膜结扎术治疗直肠黏膜下脓肿疗效肯定，无明显并发症及后遗症，亦无复发。